/Engine/Plugins/FX/Niagara/Source/NiagaraEditor/Public/NiagaraGraph.h
bool AppendCompileHash ( [FNiagaraCompileHashVisitor](API\Plugins\Niagara\FNiagaraCompileHashVisitor) * InVisitor, const [TArray](API\Runtime\Core\Containers\TArray)< [UNiagaraNode](API\Plugins\NiagaraEditor\UNiagaraNode) * > & InTraversal ) const